The 4 Bank Battery Tender® Charging Station is four encased 1.25 amp battery chargers designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. This charger will operate anywhere in the world! Input: 120VAC @ 60 Hz. Four independent charging stations. 12 volts @ 1.25 amps per station. Extremely lightweight - less than 6 pounds! Microprocessor controlled constant current charging! Reverse polarity protected. Spark proof. Perfect for all AGM (absorbed glass mat), sealed maintenance free and flooded batteries. Safety timer: 72 hours. Complies with U.S. and international safety standards (UL/CSA/BC/CE). Listed in the California Appliance Efficiency Database. 25 foot leads available (NOT INCLUDED).